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Full Discussion: passing arguments from shell to java
Top Forums UNIX for Dummies Questions & Answers passing arguments from shell to java Post 302196547 by kenpeter on Monday 19th of May 2008 12:47:30 AM
Old 05-19-2008
passing arguments from shell to java
Hi:

I have a script called runjava:

Code:
The content ---
search=$1
dpi=$2
prefix=$3
input=$4
output=$5

java  -Djava.library.path=./lib/path/Lib -classpath .:lib/path/Lib/mylib.jar myclass $search $dpi $prefix $input $output


How does myclass parse arguments ---
String searchTerm = (args[0]).trim();
String dpiStr = (args[1]).trim();
int dpi = Integer.parseInt(dpiStr);
String prefix = (args[2]).trim();
String inputFile = (args[3]).trim();
String outputPath = (args[4]).trim();


How to run --- 
./runjava $search $dpi $prefix $input $output


Problem ---
My java class cannot receive the arguments passed by shell script.

 

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LEARN ABOUT DEBIAN

ikvm

ikvm(1) 						      General Commands Manual							   ikvm(1)

NAME

       ikvm - java virtual machine executable using the CLI runtime

SYNOPOSIS

       ikvm [ options ] class [ args ...  ]

       ikvm [ options ] -jar jarfile [ args ...  ]

DESCRIPTION

       IKVM is an implentation of the Java for the Common Language Infrastructure (CLI) runtime.  It includes a byte code JIT compiler/verifier to
       translate Java byte code to CIL and GNU Classpath to provide the Java class libraries.  ikvm program performs this translation  and  execu-
       tion at run time, the ikvmc(1) program provides a static compilation to CIL.

       This  program  is  intended to act as a drop-in replacement for the java program that executes java bytecode (with or without a JIT) and as
       such, takes a subset of that tool's options and arguments as given here.

       ikvm operates in two modes, either on a fully-qualified Java classname or on a jar file with the -jar jarfile option given.  Any  remaining
       arguments args ...  are passed to the main class.

CLASS SEARCHING

       Classes	are  searched  for in the current directory if no -cp / -classpath option, no -jar option and no CLASSPATH environment variable is
       set.

       If only CLASSPATH is set and no ptions are given only that is used to find classes, the current directory is not used unless CLSSPATH  con-
       tains .

       If -cp / -classpath is given, CLASSPATH is ignored.

       If -jar is given, the jar file is put at the start of the classpath taken from either the -cp / -classpath option or from CLASSPATH.

       See also the description for the -Xbootclasspath option below.

OPTIONS

       -cp path

       -classpath path
	      Set the JVM classpath to search for application classes and resources.  The path is a sequence of directories and zip/jar files sep-
	      arated by : (; on Windows).  If this option is given more than once, only the last one applies.

       -Dname=value
	      Set a system property name to value.

       -ea[:packagename ... | :classname]

       -enableassertions[:packagename ... | :classname]
	      Enable assertions.

       -da[:packagename ... |:classname]

       -disableassertions[:packagename ... | :classname]
	      Disable assertions.

       -version
	      Display IKVM and runtime version

       -Xbootclasspath:path
	      Set the boot JVM classpath for bootstrap classes and resources.  The path is a sequence of directories and zip/jar  files  separated
	      by : (; on Windows).  If this option is given more than once, only the last one applies.

       -Xbreak
	      Trigger a user defined breakpoint at startup

       -Xmethodtrace:string
	      Builds method trace into the specified output methods

       -Xsave Save the generated assembly for debugging.

       -Xtime Time the execution.

       -Xtrace:name
	      Displays all tracepoints with the given name.

       -Xwait Keep the process hanging around after exit.

       -? -help
	      Display a summary of the usage.

SEE ALSO

       ikvmc(1), ikvmstub(1).

       IKVM Project web site http://ikvm.net/ <http://ikvm.net/>

       Man page by Dave Beckett, made available under the same terms as IKVM.

								    2005-06-19								   ikvm(1)
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